中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 6-deoxy-D-glucose | 488-79-9 | C6H12O5 | 164.158 |
A series of degradative and X-ray crystallographic studies has led to unequivocal evidence for the structure (3a) assigned to the unique disaccharide phyllanthose. In turn, the X-ray crystal structure of phyllanthose confirms structures previously assigned to the potentially important antineoplastic plant glycosides phyllanthostatins 1 and 2 (1a, c) and phyllanthoside (1b). The chemical degradation and crystallographic analyses allowed assignment of structure 2a to phyllanthostatin 3.
A new antineoplastic glycoside, phyllanthostatin 1, and the related glycoside, phyllanthoside, have been isolated from the Central American tree, Phyllanthusacuminatus Vahl. The structures of phyllanthostatin (1a) and phyllanthoside (1b) were completely assigned by analyses of spectral data, principally by high resolution (400 MHz) nmr. In addition to exhibiting activity against the National Cancer Institute's P388 lymphocytic leukemia, phyllanthoside was found to possess a curative level of activity against the murine B16 melanoma.